Please keep at least one language enabled. || కనీసం ఒక భాషను ఎంచుకోండి.
Question 1
ప్రశ్న 1
Which statement best defines the Internet?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Internet is commonly described as a global network of networks.
• It consists of many independently operated networks interconnected to exchange data.
• Common protocols and open standards allow devices and networks using different technologies to communicate.
• It consists of many independently operated networks interconnected to exchange data.
• Common protocols and open standards allow devices and networks using different technologies to communicate.
వివరణ:
Question 2
ప్రశ్న 2
Which statement correctly describes the organizational structure of the global Internet?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The global Internet does not have a single owner controlling all interconnected networks.
• Service providers, companies, universities, governments and other organizations independently operate constituent networks.
• Interoperability is achieved through common technical standards and coordination among many participants.
• Service providers, companies, universities, governments and other organizations independently operate constituent networks.
• Interoperability is achieved through common technical standards and coordination among many participants.
వివరణ:
Question 3
ప్రశ్న 3
Which protocol suite provides the fundamental communication framework used by the Internet?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Internet protocol suite is commonly referred to as TCP/IP.
• IP provides addressing and packet delivery across interconnected networks, while TCP is one important transport protocol used by Internet applications.
• HTML, image formats and hardware-interface standards do not constitute the Internet's basic networking protocol suite.
• IP provides addressing and packet delivery across interconnected networks, while TCP is one important transport protocol used by Internet applications.
• HTML, image formats and hardware-interface standards do not constitute the Internet's basic networking protocol suite.
వివరణ:
Question 4
ప్రశ్న 4
Which statement correctly distinguishes the World Wide Web from the Internet?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Internet is the broader global communications infrastructure connecting networks and devices.
• The World Wide Web uses Internet infrastructure and protocols such as HTTP to provide access to linked resources.
• Other Internet services, including email and file transfer, can operate independently of the Web.
• The World Wide Web uses Internet infrastructure and protocols such as HTTP to provide access to linked resources.
• Other Internet services, including email and file transfer, can operate independently of the Web.
వివరణ:
Question 5
ప్రశ్న 5
Which software is primarily used by an end user to request, retrieve and display resources from the World Wide Web?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A web browser is a client application used to access resources on the World Wide Web.
• It can send requests to web servers and display returned content such as text, images and interactive pages.
• Examples of browser functions are distinct from packet filtering or low-level network-interface control.
• It can send requests to web servers and display returned content such as text, images and interactive pages.
• Examples of browser functions are distinct from packet filtering or low-level network-interface control.
వివరణ:
Question 6
ప్రశ్న 6
What is the principal role of HTTP in Internet communication?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• HTTP stands for Hypertext Transfer Protocol.
• It is an application-level request/response protocol fundamental to communication on the World Wide Web.
• An HTTP client sends a request and an HTTP server returns an appropriate response.
• It is an application-level request/response protocol fundamental to communication on the World Wide Web.
• An HTTP client sends a request and an HTTP server returns an appropriate response.
వివరణ:
Question 7
ప్రశ్న 7
What is the principal security difference between ordinary HTTP and HTTPS?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• HTTPS is HTTP communication protected using TLS security mechanisms.
• TLS can provide confidentiality and integrity protection for data exchanged between appropriately configured endpoints.
• Ordinary HTTP does not by itself provide the equivalent encrypted transport protection.
• TLS can provide confidentiality and integrity protection for data exchanged between appropriately configured endpoints.
• Ordinary HTTP does not by itself provide the equivalent encrypted transport protection.
వివరణ:
Question 8
ప్రశ్న 8
Which Internet protocol is primarily associated with transferring outgoing electronic mail between mail systems?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• SMTP stands for Simple Mail Transfer Protocol.
• Its fundamental purpose is the reliable transfer of electronic mail.
• FTP is associated with file transfer, HTTP with web communication and DNS with domain-name resolution.
• Its fundamental purpose is the reliable transfer of electronic mail.
• FTP is associated with file transfer, HTTP with web communication and DNS with domain-name resolution.
వివరణ:
Question 9
ప్రశ్న 9
Which Internet service and protocol is specifically designed for transferring files between networked hosts?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• FTP stands for File Transfer Protocol.
• Its principal function is transferring files between hosts over a TCP/IP network.
• It is distinct from DNS name resolution and SMTP electronic-mail transfer.
• Its principal function is transferring files between hosts over a TCP/IP network.
• It is distinct from DNS name resolution and SMTP electronic-mail transfer.
వివరణ:
Question 10
ప్రశ్న 10
What is the fundamental purpose of the Domain Name System (DNS) for ordinary Internet users?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• DNS allows users and applications to use human-readable domain names instead of remembering numerical IP addresses.
• DNS resolution can obtain address records associated with a requested domain name.
• The resulting addressing information helps clients locate the appropriate Internet service.
• DNS resolution can obtain address records associated with a requested domain name.
• The resulting addressing information helps clients locate the appropriate Internet service.
వివరణ:
Question 11
ప్రశ్న 11
What is the primary networking purpose of an IP address?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• IP addresses provide logical addressing for communication using the Internet Protocol.
• Source and destination IP addresses are carried in IP packets and used in delivering traffic across networks.
• An IP address is different from a filename, username or hardware-display identifier.
• Source and destination IP addresses are carried in IP packets and used in delivering traffic across networks.
• An IP address is different from a filename, username or hardware-display identifier.
వివరణ:
Question 12
ప్రశ్న 12
Which term refers to an address used to identify the location of a particular resource on the Web, such as a specific web page?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• URL stands for Uniform Resource Locator.
• A URL identifies how and where a resource can be accessed, commonly including information such as the scheme, host and resource path.
• NIC and RAM are hardware-related terms, while SMTP is an email-transfer protocol.
• A URL identifies how and where a resource can be accessed, commonly including information such as the scheme, host and resource path.
• NIC and RAM are hardware-related terms, while SMTP is an email-transfer protocol.
వివరణ:
Question 13
ప్రశ్న 13
What is the basic role of an Internet Service Provider (ISP) for a home or organization subscribing to Internet service?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• An ISP provides customers with connectivity to its network and, through that connectivity, access to the wider Internet.
• Internet access can be delivered through technologies such as fiber, cable, cellular or other communication services.
• Providing connectivity does not mean that the ISP creates all Internet content or manufactures subscriber devices.
• Internet access can be delivered through technologies such as fiber, cable, cellular or other communication services.
• Providing connectivity does not mean that the ISP creates all Internet content or manufactures subscriber devices.
వివరణ:
Question 14
ప్రశ్న 14
Which statement correctly distinguishes a web browser from a search engine?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A web browser is client software used to access and display Web resources.
• A search engine is an Internet service that helps locate information by searching an index of Web content.
• A browser can access a search engine, but the two have different functions.
• A search engine is an Internet service that helps locate information by searching an index of Web content.
• A browser can access a search engine, but the two have different functions.
వివరణ:
Question 15
ప్రశ్న 15
Which statement best describes the role of routers in Internet communication?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Internet consists of interconnected networks, so traffic often has to cross several network boundaries.
• Routers examine addressing and routing information to forward IP packets toward their destinations.
• Web-page storage, email composition and document formatting are not the fundamental routing function.
• Routers examine addressing and routing information to forward IP packets toward their destinations.
• Web-page storage, email composition and document formatting are not the fundamental routing function.
వివరణ:
Question 16
ప్రశ్న 16
Which Internet-based service enables real-time voice communication by carrying voice information over IP networks?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• VoIP stands for Voice over Internet Protocol.
• It allows voice communication to be carried using IP-based networks rather than requiring a traditional circuit-switched voice path for the complete communication.
• DNS, FTP and HTML perform different Internet-related functions.
• It allows voice communication to be carried using IP-based networks rather than requiring a traditional circuit-switched voice path for the complete communication.
• DNS, FTP and HTML perform different Internet-related functions.
వివరణ:
Question 17
ప్రశ్న 17
In a basic Internet client-server interaction, which statement is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Many Internet applications use a client-server model.
• A client initiates a request for a resource or service, while the server listens for and responds to appropriate requests.
• Web browsing is a familiar example in which a browser acts as an HTTP client and a web server provides responses.
• A client initiates a request for a resource or service, while the server listens for and responds to appropriate requests.
• Web browsing is a familiar example in which a browser acts as an HTTP client and a web server provides responses.
వివరణ:
Question 18
ప్రశ్న 18
Which characteristic of the Internet most directly enables a person in one country to communicate with and access information hosted on systems in another country?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Internet interconnects networks across geographical and organizational boundaries.
• Common protocols and standards allow independently operated networks to exchange information interoperably.
• This global connectivity supports communication, information access and online services across long distances.
• Common protocols and standards allow independently operated networks to exchange information interoperably.
• This global connectivity supports communication, information access and online services across long distances.
వివరణ:
Question 19
ప్రశ్న 19
Consider the following statements about Internet fundamentals:
1. The Internet is a global network of interconnected networks.
2. The World Wide Web is one service that operates over Internet infrastructure.
3. DNS helps associate human-readable domain names with addressing information such as IP addresses.
4. SMTP is primarily intended for transferring files between hosts in the same way as FTP.
Which statements are correct?
1. The Internet is a global network of interconnected networks.
2. The World Wide Web is one service that operates over Internet infrastructure.
3. DNS helps associate human-readable domain names with addressing information such as IP addresses.
4. SMTP is primarily intended for transferring files between hosts in the same way as FTP.
Which statements are correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Statements 1 and 2 correctly distinguish the global Internet from the World Wide Web service operating over it.
• Statement 3 correctly identifies the basic purpose of DNS name resolution.
• Statement 4 is false because SMTP is associated with electronic-mail transfer, whereas FTP is specifically designed for file transfer.
• Statement 3 correctly identifies the basic purpose of DNS name resolution.
• Statement 4 is false because SMTP is associated with electronic-mail transfer, whereas FTP is specifically designed for file transfer.
వివరణ:
Question 20
ప్రశ్న 20
Match List I with List II:
List I
(a) HTTP
(b) SMTP
(c) FTP
(d) DNS
List II
1. Electronic-mail transfer
2. Domain-name resolution
3. Web request/response communication
4. File transfer between hosts
Choose the correct matching code.
List I
(a) HTTP
(b) SMTP
(c) FTP
(d) DNS
List II
1. Electronic-mail transfer
2. Domain-name resolution
3. Web request/response communication
4. File transfer between hosts
Choose the correct matching code.
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• HTTP corresponds to Web request/response communication, giving (a)-3.
• SMTP transfers electronic mail, giving (b)-1, while FTP transfers files between hosts, giving (c)-4.
• DNS performs domain-name resolution, giving (d)-2.
• SMTP transfers electronic mail, giving (b)-1, while FTP transfers files between hosts, giving (c)-4.
• DNS performs domain-name resolution, giving (d)-2.
వివరణ:
Answer Key సమాధానాల పట్టిక
-
Question 1 ప్రశ్న 1Answer: B. A global network of interconnected computer networks that communicate using common Internet standards సమాధానం: B.
-
Question 2 ప్రశ్న 2Answer: D. The Internet is decentralized and consists of many independently operated networks that cooperate through common standards and agreements. సమాధానం: D.
-
Question 3 ప్రశ్న 3Answer: A. TCP/IP సమాధానం: A.
-
Question 4 ప్రశ్న 4Answer: C. The Internet is the underlying global network infrastructure, while the World Wide Web is an information system or service that operates over it. సమాధానం: C.
-
Question 5 ప్రశ్న 5Answer: C. Web browser సమాధానం: C.
-
Question 6 ప్రశ్న 6Answer: A. It is an application-level request/response protocol widely used for transferring and interacting with Web resources. సమాధానం: A.
-
Question 7 ప్రశ్న 7Answer: D. HTTPS protects HTTP communication using a secure cryptographic transport such as TLS. సమాధానం: D.
-
Question 8 ప్రశ్న 8Answer: B. SMTP సమాధానం: B.
-
Question 9 ప్రశ్న 9Answer: A. FTP సమాధానం: A.
-
Question 10 ప్రశ్న 10Answer: D. To resolve human-readable domain names to information such as the IP addresses needed to reach Internet services సమాధానం: D.
-
Question 11 ప్రశ్న 11Answer: B. To provide logical addressing used to identify network interfaces and deliver IP packets toward their destinations సమాధానం: B.
-
Question 12 ప్రశ్న 12Answer: C. URL సమాధానం: C.
-
Question 13 ప్రశ్న 13Answer: D. To provide connectivity or access through which the subscriber can communicate with the wider Internet సమాధానం: D.
-
Question 14 ప్రశ్న 14Answer: C. A browser is software used to access Web resources, while a search engine is an online service that indexes and helps users find information on the Web. సమాధానం: C.
-
Question 15 ప్రశ్న 15Answer: A. Routers forward IP packets between networks toward their destinations. సమాధానం: A.
-
Question 16 ప్రశ్న 16Answer: B. VoIP సమాధానం: B.
-
Question 17 ప్రశ్న 17Answer: C. The client requests a service or resource, and the server processes the request and provides an appropriate response or service. సమాధానం: C.
-
Question 18 ప్రశ్న 18Answer: A. Global interconnection of networks using interoperable Internet protocols and standards సమాధానం: A.
-
Question 19 ప్రశ్న 19Answer: D. 1, 2, 3 and 4 సమాధానం: D.
-
Question 20 ప్రశ్న 20Answer: B. (a)-3, (b)-1, (c)-4, (d)-2 సమాధానం: B.